Essential Topics in GATE Metallurgy Syllabus

Some of the important topics from the GATE Metallurgy syllabus 2026 is expected to be Transport Phenomena and Rate Processes, Metallurgical Thermodynamics, Engineering Mathematics, and many more. Candidates appearing for the GATE 2026 exam must know the essential topics in the GATE metallurgy syllabus.

Learning about the important topics of the Metallurgy syllabus will aid in the preparation. You must focus on the topics of Metallurgy to score higher marks. Obtaining higher marks in the GATE 2026 exam increases the chances of getting the desired branch and college or institution. GATE exam 2026 is scheduled to be held on February 7 ,8, 14 and 15, 2026.

Important Topics for Metallurgy for GATE 2026 

Candidates can refer to the table below for the important topics for Metallurgy:

Engineering Mathematics	Metallurgical Thermodynamics
Transport Phenomena and Rate Processes	Mineral Processing and Extractive Metallurgy
Physical Metallurgy	Mechanical Metallurgy
Manufacturing Processes

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GATE 2026 Metallurgy Syllabus

The complete syllabus for Metallurgy in GATE 2026 is presented below for aspirants’ reference:

Engineering Mathematics

The following topics are included in the syllabus:

• Linear Algebra: Matrices and Determinants, Systems of linear equations, Eigen values and Eigen vectors.
• Calculus: Limit, Continuity and Differentiability; Partial derivatives; Maxima and minima; Sequences and series; Test for convergence; Fourier series.
• Vector Calculus: Gradient; Divergence and Curl; Line, Surface and volume integrals; Stokes, Gauss and Green’s theorems.
• Differential Equations: Linear and non-linear first-order ODEs; Higher order linear ODEs with constant coefficients; Cauchy’s and Euler’s equations; Laplace transforms; PDEs –Laplace, one-dimensional heat and wave equations.
• Probability and Statistics: Definitions of probability and sampling theorems, conditional probability, Mean, median, mode and standard deviation; Random variables; Poisson, normal and binomial distributions; Analysis of experimental data; linear least squares method.
• Numerical Methods: Solutions of linear and non-linear (Bisection, Secant, Newton-Raphson methods) algebraic equations; integration by trapezoidal and Simpson’s rule single and multi-step methods for differential equations.

Metallurgical Thermodynamics

The topics for the Metallurgical Thermodynamics are mentioned below:

• Laws of Thermodynamics: First law – energy conservation, Second law - entropy; Enthalpy, Gibbs and Helmholtz free energy; Maxwell’s relations; Chemical potential; Applications to metallurgical systems, solutions, ideal and regular solutions; Gibbs phase rule, phase equilibria, binary phase diagram and lever rule, free-energy vs. composition diagrams; Equilibrium constant, Activity, Ellingham and phase stability diagrams Thermodynamics of point defects, surfaces and interfaces, adsorption and segregation phenomena.
• Electrochemistry: Single electrode potential, Electrochemical cells, Nernst equation, Potential-pH diagrams.

Transport Phenomena and Rate Processes

The topics for the Transport Phenomena and Rate Processes are given below:

• Momentum Transfer: Concept of viscosity, shell balances, Bernoulli’s equation, mechanical energy balance equation, flow past plane surfaces and through pipes.
• Heat transfer: Conduction, Fourier’s Law, 1-D steady-state conduction.
• Convection: Heat transfer coefficient relations for forced convection.
• Radiation: Black body radiation, Stefan-Boltzman Law, Kirchhoff’s Law.
• Mass Transfer: Diffusion and Fick’s laws, Mass transfer coefficients.
• Dimensional Analysis: Buckingham Pi theorem, Significance of dimensionless numbers.
• Basic Laws of Chemical Kinetics: First-order reactions, reaction rate constant, Arrhenius relation, heterogeneous reactions, oxidation kinetics.
• Electrochemical Kinetics: Polarization.

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Mineral Processing and Extractive Metallurgy

The following points are the topics for the Mineral Processing and Extractive Metallurgy:

• Comminution techniques, Size classification, Flotation, Gravity and other methods of mineral beneficiation; Agglomeration: sintering, pelletizing and briquetting.
• Material and Energy balances in metallurgical processes; Principles and processes for the extraction of non-ferrous metals – aluminium, copper and titanium.
• Iron and Steel Making: Material and heat balance in blast furnace; Structure and properties of slags and molten salts – basicity of slags - sulphide and phosphate capacity of slags; Production of metallurgical coke. Other methods of iron making (COREX, MIDRE)
• Primary Steel Making: Basic oxygen furnace, process dynamics, oxidation reactions, electric arc furnace.
• Secondary Steel Making: Ladle process – deoxidation, argon stirring, desulphurization, inclusion shape control, principles of degassing methods; Basics of stainless steel manufacturing.
• Continuous Casting: Fluid flow in the tundish and mould, heat transfer in the mould, segregation, inclusion control.

Physical Metallurgy

Candidates can read the following points for the topics for Physical Metallurgy:

• Chemical Bonding: Ionic, covalent, metallic, and secondary bonding in materials, Crystal structure of solids – metals and alloys, ionic and covalent solids, and polymers.
• X-ray Diffraction: Bragg’s law, optical metallography, principles of SEM imaging.
• Crystal Imperfections: Point, line and surface defects; Coherent, semi-coherent and incoherent interfaces
• Diffusion in Solids: Diffusion equation, steady state and error function solutions; Exampleshomogenenization and carburization; Kirkendall effect; Uphill diffusion; Atomic models for interstitial and substitutional diffusion; Pipe diffusion and grain boundary diffusion.
• Phase Transformation: Driving force, Homogeneous and heterogeneous nucleation, growth Kinetics Solidification in isomorphous, eutectic and peritectic systems, cast structures and macrosegregation, dendritic solidification and constitutional supercooling, coring and microsegregation.
• Solid-state Transformations: Precipitation, spinoidal decomposition, ordering, massive transformation, discontinuous precipitation, eutectoid transformation, diffusionless transformations; Precipitate coarsening, Gibbs-Thomson effect. Principles of heat treatment of steels, TTT and CCT diagrams; Surface hardening treatments; Recovery, recrystallization and grain growth; Heat treatment of cast iron and aluminium alloys. Electronic, magnetic and optical properties of materials. Basic forms of corrosion and its prevention.

Mechanical Metallurgy

The Mechanical Metallurgy includes the following topics:

• Strain tensor and stress tensor, Representation by Mohr’s circle, elasticity, stiffness and compliance tensor, Yield criteria, Plastic deformation by slip and twinning.
• Dislocation Theory: Edge, screw and mixed dislocations, source and multiplication of dislocations, stress fields around dislocations; Partial dislocations, dislocation interactions and reactions.
• Strengthening Mechanisms: Work/strain hardening, strengthening due to grain boundaries, solid solution, precipitation and dispersion. Fracture behaviour, Griffith theory, linear elastic fracture mechanics, fracture toughness, fractography, ductile to brittle transition.
• Fatigue: Cyclic stress-strain behaviour - low and high cycle fatigue, crack growth. Mechanisms of high-temperature deformation and failure; creep and stress rupture, stress exponent and activation energy.

 Manufacturing Processes

The topics for the Manufacturing Processes are presented below:

• Metal Casting: Mould design involving feeding, gating and risering, casting practices, and casting defects.
• Hot, Warm and Cold Working of Metals: Metal forming – fundamentals of metal forming processes of rolling, forging, extrusion, wire drawing and sheet metal forming, defects in forming.
• Metal Joining: Principles of soldering, brazing and welding, welding metallurgy, defects in welded joints in steels and aluminium alloys.
• Powder Metallurgy: production of powders, compaction and sintering.
• Non-destructive Testing (NDT): Dye-penetrant, ultrasonic, radiography, eddy current, acoustic emission and magnetic particle inspection methods.

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GATE Syllabus 2026: Metallurgy

Aspirants can download the GATE 2026 syllabus for Metallurgy from the table below:

Particulars	Link
GATE Syllabus 2026 Metallurgy PDF	To be Updated
GATE Syllabus 2025 Metallurgy PDF	Download Here

Candidates who will select Metallurgy must start their preparation at the earliest. The first line of order for preparation is to know the GATE syllabus 2026, followed by understanding the GATE exam pattern 2026 thoroughly.